Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Harrisburg, Missouri

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Harrisburg, MO
Sunday, May 17 at 4:05 AM
72
°
Mostly Clear
Feels like
73°
Humidity
75%
Wind
10 mph
Sunrise
5:55 AM
Sunset
8:17 PM
Harrisburg, MO
Hour by hour · 24h
63°
11p
63°
12a
63°
1a
62°
2a
62°
22%
3a
61°
29%
4a
61°
5a
60°
6a
61°
7a
64°
8a
67°
9a
71°
10a
73°
11a
77°
12p
79°
1p
80°
2p
80°
3p
79°
4p
77°
5p
75°
6p
74°
7p
71°
8p
69°
9p
70°
10p
L 60°H 80°
Harrisburg, MO
7-day forecast
  1. Today
    May 16
    Thunderstorm
    37%
    81°63°
  2. Sunday
    May 17
    Overcast
    11%
    85°67°
  3. Monday
    May 18
    Thunderstorm
    55%
    80°65°
  4. Tuesday
    May 19
    Light Showers
    66%
    75°57°
  5. Wednesday
    May 20
    Overcast
    12%
    65°46°
  6. Thursday
    May 21
    Overcast
    12%
    63°51°
  7. Friday
    May 22
    Overcast
    23%
    68°54°
Harrisburg, MO
Anemometer · 24h winds · from true
NESW
From · True
SSE
161° · backing 8°
Direction
SSE
161°
Sustained
10
mph
Gust
19
mph
Peak 24h
24
avg 8
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 8 · pk 24 @ 4:00p
−24h−18h−12h−6hnow
Light breeze backing 8° from the sse.
Harrisburg, MO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
979.0
-1.0 mb in 3h · falling · 28.91 inHg
Now
979.0
mb
3h
-1.0
mb
12h
-1.6
mb
24h
+0.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 978983
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Harrisburg, MO
Air quality
37
AQI
Good
PM 2.5
6.9 μg/m³
PM 10
7.7 μg/m³
NO₂
3.7 μg/m³
Ozone
56.0 μg/m³
UV Index
0.0 Low
Harrisburg, MO
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:27 AM
Sunrise
5:55 AM
Daylight
14h 22m
Sunset
8:17 PM
Civil dusk
1:48 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Harrisburg, MO
The moon
New Moon
0% illuminated
Moonrise
11:02 AM
Moonset
1:46 AM
In sign
♊︎ Gemini
Harrisburg, MO
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Harrisburg at a glance

  • Today vs. normal: 72°F — typical for the season
  • Last frost: April 11 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Harrisburg

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.